Where does “biule” come from?
biule (Middle High German) comes from Old High German būilla, from Proto-Germanic būlijǭ, from Proto-Germanic būlǭ, from Proto-Indo-European bew- — "low-pitch humming noise".
biule (Middle High German) comes from Old High German būilla, from Proto-Germanic būlijǭ, from Proto-Germanic būlǭ, from Proto-Indo-European bew- — "low-pitch humming noise".